Using this baby onesie is a breeze. Just slip it on your little one through the bottom popper fastening. It's great for daily wear, whether your baby is napping, playing, or going out. When it comes to cleaning, remember to turn it inside out before machine - washing in cold water. Set your dryer to low heat. Avoid using harsh detergents as they might irritate your baby's skin. Check the onesie regularly for any signs of wear and tear, and if there are any loose threads, gently snip them off. This way, your baby can enjoy the comfort of this onesie for a long time.